Circuit breakers

Crouse-Hinds series FLB explosionproof circuit breakers are used for service entrance, feeder or branch circuit protection for lighting, heating, appliance and motor circuits. FLBs provide disconnect means, short circuit protection and thermal time delay overload protection.

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Overview Models Resources Support

Certifications and compliances

NEC and CEC

Class I, Divisions 1 & 2, Groups C, D
Class II, Division 1, Groups E, F, G
Class II, Division 2, Groups F, G
Class III
UL standard: UL698
CSA standard: C22.2 No. 30
NEMA/EEMAC 3, 4, 7CD, 9EFG

Design features

Semi-cylindrical body shape for maximum strength at lowest practical weight
Round threaded covers at each end, set at an angle to provide ready access to interior for ease of wiring
Breaker is operated by an external handle which can be padlocked in either ON or OFF positions; breaker is trip-free of the handle and will open under short circuit or overload even if the handle is locked in the ON position
Bodies have vertical through feed conduit hubs of sizes given in the listings

Standard materials

Bodies, covers and operating handles – copper-free aluminum
Operating shafts – stainless steel
Interior parts – sheet steel

Specifications

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Catalogs

FLB Series Explosionproof Circuit Breakers catalog page

(PDF 425 KB , 09/08/2021)

Certification reports

Installation instructions

IF 1016 - FLB Series Circuit Breakers

(PDF 535 KB , 09/08/2021)

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Technical support

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FLB Explosionproof Circuit Breakers